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(3*x)/7-(x/2)+2+3 = 13/14 // - 13/14
(3*x)/7-(x/2)-(13/14)+2+3 = 0
(3*x)/7-(x/2)-13/14+2+3 = 0
57/14-1/14*x = 0 // - 57/14
-1/14*x = -57/14 // : -1/14
x = -57/14/(-1/14)
x = 57
x = 57
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